@charset "utf-8";

body {
    background-color: #0f3e88;
    font-family: Verdana, Geneva, sans-serif;
    color: #ffffff;
    margin: 0;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
}

header {
    text-align: center;
    padding: 20px;
}

h1 {
    text-shadow: 4px 6px 5px gray;
}

h2 {
    font-size: 1.3em;
    text-shadow: 4px 6px 5px gray;
}

nav {
    background-color: rgb(14, 42, 87);
    padding: 15px;
    text-align: center;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

nav ul {
    display: flex;
    justify-content: center;
    gap: 20px;
}

nav a {
    display: inline-block;
    padding: 10px 20px;
    color: rgb(224, 224, 227);
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
    background-color: #0f3e88;
    color: yellow;
}

main {
    background-color: #0b429a;
    margin-top: 35px;
    padding: 20px;
}

main > img {
    float: right;
    width: 25%;
    padding: 25px;
}

main > ul {
    list-style-type: square;
}

header img {
    width: 100%;
}

body > footer {
    background-color: #0b429a;
    color: rgba(102, 102, 102, 0.6);
    font-weight: bold;
    font-size: 0.9em;
    line-height: 3em;
    text-align: center;
    margin-top: 10px;
    padding: 10px;
    clear: both;
}

.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.gallery img {
    width: 100%;
    border-radius: 8px;
}

@media only screen and (max-width: 768px) {

    body {
        width: 100%;
        margin: 0;
    }

    main > img {
        width: 90%;
        float: none;
        padding: 10px 0;
    }

    .gallery img {
        width: 100%;
    }
}

@media only screen and (min-width: 481px) and (max-width: 768px) {
    .gallery img {
        width: calc(50% - 20px);
    }
}

@media only screen and (min-width: 769px) {
    html {
        background-image: url("background.jpeg");
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
    }

    .gallery img {
        width: calc(25% - 20px);
    }
}

table.family {
    border: 8px solid #ccc;
    background: rgb(14, 42, 87);
    border-collapse: collapse;
    margin: 20px auto;
    font-family: Arial, sans-serif;
}

table.family thead {
    background: #1d61a1;
}

table.family th {
    padding: 12px;
    border: 1px solid #999;
    font-size: 1.1em;
    text-align: left;
}

table.family td {
    padding: 12px;
    border: 1px solid #ccc;
}

table.family tfoot td {
    background: #1d61a1;
    text-align: center;
    font-style: italic;
    padding: 10px;
    border-top: 2px solid #999;
}

@media screen and (max-width: 600px) {

    table.family thead {
        display: none;
    }

    table.family,
    table.family tbody,
    table.family tr,
    table.family td {
        display: block;
        width: 100%;
    }

    table.family tr {
        margin-bottom: 15px;
        border-bottom: 2px solid #ccc;
        padding-bottom: 10px;
    }

    table.family td {
        text-align: right;
        padding-left: 50%;
        position: relative;
    }

    table.family td::before {
        content: attr(data-label);
        position: absolute;
        left: 10px;
        text-align: left;
        font-weight: bold;
    }
}


input:focus,
select:focus,
textarea:focus {
    background-color: #ffffcc;
    border: 2px solid #ffcc00;
    outline: none;
}


input:valid,
select:valid,
textarea:valid {
    border: 2px solid #009900;
}

input:invalid,
select:invalid,
textarea:invalid {
    background-color: #ffe6e6;
    border: 2px solid #cc0000;
}


@media only screen and (min-width: 769px) {

    form {
        width: 90%;
    }

    fieldset {
        width: 90%;
        padding: 5px;
        margin-right: 10px;
        margin-bottom: 10px;
        position: relative;
    }

    input,
    select,
    textarea {
        display: block;
        position: relative;
        left: 30%;
        padding: 5px;
        height: auto;
        width: 60%;
    }

    label {
        display: block;
        position: absolute;
        padding: 5px;
        width: 30%;
    }

    input[type="radio"] {
        display: inline;
        position: inherit;
        left: 0;
        width: auto;
    }

    label.radio {
        display: inline;
        position: inherit;
    }

    input[type="submit"],
    input[type="reset"] {
        display: block;
        float: left;
        left: 0;
        text-align: center;
        width: 40%;
        padding: 10px;
        margin-left: 5%;
        margin-right: 5%;
        margin-bottom: 10px;
    }
    @media only screen and (max-width: 768px) {

    form {
        width: 100%;
        font-size: large;
    }

    fieldset {
        width: 100%;
        padding: 5px;
        margin: 0;
    }

    input,
    select,
    textarea {
        position: inherit;
        display: block;
        height: 50px;
        padding: 5px;
        width: 90%;
    }

    label {
        position: inherit;
        display: block;
        height: 50px;
        width: 90%;
    }

    input[type="submit"],
    input[type="reset"] {
        float: none;
        width: 90%;
        margin: 10px;
        font-size: 1.2em;
    }
    }
}